<template>
  <div class="login">

    <el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title">Java1234 Vue3 后台管理系统</h3>

      <el-form-item prop="username">

        <el-input v-model="loginForm.username" type="text" size="large" auto-complete="off" placeholder="账号">
          <template #prefix><svg-icon icon="user" /></template>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input v-model="loginForm.password" type="password" size="large" auto-complete="off" placeholder="密码"
          @keyup.enter="handleLogin">
          <template #prefix><svg-icon icon="password" /></template>
        </el-input>
      </el-form-item>


      <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button size="large" type="primary" style="width:100%;" @click.prevent="handleLogin">
          <span>登 录</span>

        </el-button>

      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2013-2022 <a href="http://www.java1234.vip" target="_blank">java1234.vip</a> 版权所有.</span>
    </div>
  </div>
</template>

<script setup>
import { ref } from "vue"
import requestUtil from '@/utils/request'
import store from '@/store'
import { ElMessage } from 'element-plus'
import qs from 'qs'
import router from "@/router"
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";

const loginRef = ref(null)
const loginForm = ref({
  username: "",
  password: "",
  rememberMe: false
});
const loginRules = {
  username: [{ required: true, trigger: "blur", message: "请输入您的账号" }],
  password: [{ required: true, trigger: "blur", message: "请输入您的密码" }]
};


const handleLogin = () => {
  loginRef.value.validate(async (valid) => {
    if (valid) {
      // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
      if (loginForm.value.rememberMe) {
        Cookies.set("username", loginForm.value.username, { expires: 30 });
        Cookies.set("password", encrypt(loginForm.value.password), { expires: 30 });
        Cookies.set("rememberMe", loginForm.value.rememberMe, { expires: 30 });
      } else {
        // 否则移除
        Cookies.remove("username");
        Cookies.remove("password");
        Cookies.remove("rememberMe");
      }
      try {
        let result = await requestUtil.post("login?" + qs.stringify(loginForm.value))
        let data = result.data;
        if (data.code == 200) {
          const token = data.data.token;
          const menuList = data.data.menuList;
          const userInfo = data.data.currentUser;
          store.commit('SET_TOKEN', token);
          store.commit('SET_MENULIST', menuList)
          store.commit('SET_USERINFO', userInfo)
          router.push("/")
        } else {
          ElMessage.error(data.msg)
        }
      } catch (err) {
        console.log("error:" + err);
        ElMessage.error("服务器出错，请联系管理员！")
      }
    } else {
      console.log("验证失败")
    }
  })
}

function getCookie() {
  const username = Cookies.get("username");
  const password = Cookies.get("password");
  const rememberMe = Cookies.get("rememberMe");
  loginForm.value = {
    username: username === undefined ? loginForm.value.username : username,
    password: password === undefined ? loginForm.value.password : decrypt(password),
    rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
  };
}

getCookie();

</script>

<style lang="scss" scoped>
a {
  color: white
}

.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
}

.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;

  .el-input {
    height: 40px;



    input {
      display: inline-block;
      height: 40px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0px;
  }

}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 40px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 40px;
  padding-left: 12px;
}
</style>